Remove swipe logic

mozilla-magnet · Nov 24, 2016 · 334d250 · 334d250
1 parent a86faf6
commit 334d250
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Showing 3 changed files with 10 additions and 216 deletions.
diff --git a/config.json b/config.json
@@ -1,8 +1,7 @@
 {
   "flags": {
     "injectTestUrls": false,
-    "itemsExpandable": true,
-    "itemsSwipable": false
+    "itemsExpandable": true
   },
 
   "userFlags": {

diff --git a/lib/views/list/list-item.js b/lib/views/list/list-item.js
@@ -15,30 +15,13 @@ const React = require('react');
  */
 
 const {
-  PanResponder,
+  TouchableOpacity,
   StyleSheet,
-  Animated,
   Image,
   Text,
   View,
 } = require('react-native');
 
-/**
- * Margin either size of the list item.
- *
- * @type {Number}
- */
-const MARGIN_HORIZONTAL = 11;
-
-/**
- * Swipe velocity must exceed this
- * speed for list-items to swipe away,
- * else they spring back.
- *
- * @type {Number}
- */
-const SWIPE_VELOCITY_THRESHOLD = 0.8;
-
 /**
  * The ListItem class
  *
@@ -48,20 +31,7 @@ const SWIPE_VELOCITY_THRESHOLD = 0.8;
 class ListItem extends React.Component {
   constructor(props) {
     super(props);
-
-    var pan = new Animated.ValueXY();
-    var opacity = pan.x.interpolate({
-      inputRange: [-200, 0, 200],
-      outputRange: [0.5, 1, 0.5],
-    });
-
-    this.state = {
-      pan: pan,
-      opacity: opacity,
-    };
-
-    this.panHandlers = this.createPanHandlers();
-    this.tapHandlers = this.createTapHandlers();
+    this.onPress = this.onPress.bind(this);
     debug('created');
   }
 
@@ -75,25 +45,18 @@ class ListItem extends React.Component {
   render() {
     var item = this.props.item.value;
     debug('render', item);
-    var opacity = this.state.opacity;
-    var pan = this.state.pan;
-    var translateX = pan.x;
     var style = [
       styles.root,
       this.props.style,
-      {
-        transform: [{ translateX }],
-        opacity,
-      },
     ];
 
     return (
-      <Animated.View
-        {...this.panHandlers}
+      <TouchableOpacity
         style={style}
-        onLayout={this.onLayout.bind(this)}>
+        onPress={this.onPress}
+        >
         {this.renderContent(item)}
-      </Animated.View>
+      </TouchableOpacity>
     );
   }
 
@@ -107,7 +70,6 @@ class ListItem extends React.Component {
 
     return (
       <View
-        {...this.tapHandlers}
         style={styles.content}
         testId="inner">
         {this.renderBackground(item)}
@@ -174,168 +136,18 @@ class ListItem extends React.Component {
     </View>;
   }
 
-  createTapHandlers() {
-    debug('create tap handlers');
-    var self = this;
-
-    return {
-
-      // Static tiles should always have
-      // the repsonder set so that they
-      // can respond to taps. For embed
-      // tiles we don't want to set the
-      // responder when expanded as it can
-      // interfere with webview touch events.
-      onStartShouldSetResponder() {
-        return true;
-      },
-
-      onResponderGrant() {
-        self.tapStart = Date.now();
-        debug('on responser grant');
-      },
-
-      onResponderRelease() {
-        var time = Date.now() - self.tapStart;
-        var tapped = time < 250;
-        debug('on responser release', time, tapped);
-        if (tapped) self.onTapped();
-        self.tapStart = null;
-      },
-
-      onResponderTerminationRequest() { return true; },
-      onResponderTerminate() { self.tapStart = null; },
-    };
-  }
-
-  createPanHandlers() {
-    debug('create pan handlers');
-    return PanResponder.create({
-      onMoveShouldSetPanResponder: this.onMoveShouldSetPanResponder.bind(this),
-      onPanResponderGrant: this.onPanResponderGrant.bind(this),
-      onPanResponderMove: Animated.event([
-        null, { dx: this.state.pan.x, dy: this.state.pan.y },
-      ]),
-
-      onPanResponderRelease: this.onPanResponderRelease.bind(this),
-      onPanResponderTerminate: this.onPanResponderTerminate.bind(this),
-      onPanResponderTerminationRequest: () => {
-        debug('pan responder terminate?');
-      },
-      onShouldBlockNativeResponder: () => true,
-    }).panHandlers;
-  }
-
-  onMoveShouldSetPanResponder(e, { dx, dy }) {
-    debug('panresponder move should set?', dx, dy);
-    if (!this.props.swipable) return false;
-    var isPan = Math.abs(dx) > 6;
-    var isScroll = Math.abs(dy) > 5;
-    debug('pan: %s, scroll: %s', isPan, isScroll);
-    return isPan && !isScroll;
-  }
-
-  onPanResponderGrant() {
-    debug('panresponder move');
-    this.dragging = true;
-    this.props.onGestureStart();
-  }
-
-  onPanResponderRelease(e, gesture) {
-    debug('panresponser release');
-    this.onGestureEnd(e, gesture);
-  }
-
-  onPanResponderTerminate(e, gesture) {
-    debug('panresponder terminate');
-    this.onGestureEnd(e, gesture);
-  }
-
-  onGestureEnd(e, {vx}) {
-    var exceededThreshold = Math.abs(vx) > SWIPE_VELOCITY_THRESHOLD;
-    debug('gesture end', vx, exceededThreshold);
-    this.dragging = false;
-
-    // fast swipes fling the tile away
-    if (exceededThreshold) this.swipeAway(vx);
-    else this.snapBack();
-
-
-    // indicate to the list view that
-    // it can become scrollable again
-    if (this.props.onGestureEnd) this.props.onGestureEnd();
-
-  }
-
-  onLayout({nativeEvent:{layout}}) {
-    debug('on layout');
-    this.height = layout.height;
-    this.width = layout.width;
-  }
-
-  onTapped() {
-    debug('on tapped');
+  onPress() {
     this.props.onPress(this.props.item.id);
   }
-
-  snapBack() {
-    return new Promise(resolve => {
-      Animated.spring(this.state.pan, {
-        toValue: { x: 0, y: 0 },
-        friction: 7,
-      }).start(resolve);
-    });
-  }
-
-  swipeAway(vx) {
-    var min = 2;
-    var max = 5;
-    var velocity = vx >= 0
-      ? clamp(vx, min, max)
-      : clamp(vx * -1, min, max) * -1;
-
-    debug('swiping away ...', vx, velocity);
-    Animated.decay(this.state.pan, {
-      velocity: { x: velocity, y: 0 },
-      deceleration: 0.9999,
-    }).start();
-
-    // callback once the tile has left the viewport
-    var listener = this.state.pan.addListener(({ x }) => {
-      if (Math.abs(x) < (this.width + MARGIN_HORIZONTAL)) return;
-      debug('swiped away', x, velocity);
-      this.state.pan.removeListener(listener);
-      this.state.pan.stopAnimation();
-      this.props.onSwiped(this);
-    });
-  }
 }
 
 ListItem.propTypes = {
   item: React.PropTypes.object,
   showDistance: React.PropTypes.bool,
-  onLongPress: React.PropTypes.func,
-  onGestureStart: React.PropTypes.func,
-  onGestureEnd: React.PropTypes.func,
-  onSwiped: React.PropTypes.func,
   onPress: React.PropTypes.func,
-  swipable: React.PropTypes.bool,
   style: View.propTypes.style,
 };
 
-/**
- * Clamp a number between a
- * given min/max range.
- *
- * @param  {Number} value
- * @param  {Number} min
- * @param  {Number} max
- * @return {Number}
- */
-function clamp(value, min, max) {
-  return Math.max(Math.min(value, max), min);
-}
-
 /**
  * Exports
  */

diff --git a/lib/views/list/list.js b/lib/views/list/list.js
@@ -4,6 +4,7 @@
  * Dependencies
  */
 
+import { theme } from '../../../config';
 import ListItem from './list-item';
 import Debug from '../../debug';
 import React from 'react';
@@ -17,11 +18,6 @@ import {
   LayoutAnimation,
 } from 'react-native';
 
-import {
-  theme,
-  flags,
-} from '../../../config';
-
 const debug = Debug('ListView');
 
 class ListView extends React.Component {
@@ -103,13 +99,8 @@ class ListView extends React.Component {
       return <ListItem
         key={item.id}
         item={item}
-        swipable={flags.itemsSwipable}
         showDistance={this.props.showDistance}
-        onLongPress={this.onItemLongPress}
-        onGestureStart={this.onItemGestureStart.bind(this)}
-        onGestureEnd={this.onItemGestureEnd.bind(this)}
-        onSwiped={this.onItemSwiped.bind(this)}
-        onPress={this.props.onItemPress.bind(this)}
+        onPress={this.props.onItemPress}
       />;
     });
   }
@@ -150,13 +141,6 @@ class ListView extends React.Component {
     this.setState({ scrollable: true });
   }
 
-  onItemSwiped(item) {
-    debug('on item swiped');
-    var newMaxScrollY = this.getMaxScrollY() - item.height;
-    this.prepareForNewMaxScrollY(newMaxScrollY);
-    this.props.onItemSwiped(item.props.item);
-  }
-
   onItemsChange() {
     this.doLayoutAnimation();
   }
@@ -218,7 +202,6 @@ ListView.propTypes = {
   sortByDistance: React.PropTypes.bool,
   showDistance: React.PropTypes.bool,
   onRefresh: React.PropTypes.func,
-  onItemSwiped: React.PropTypes.func,
   onItemPress: React.PropTypes.func,
   contentOffsetY: React.PropTypes.number,
 };